Eu quero começar a usar o iozone para testar um sistema de arquivos aufs em uma máquina virtual no Ubuntu.
Eu tentei seguir o manual para usar parâmetros relevantes, mas continuo recebendo um erro estranho na maioria das execuções.
Eu escrevi este comando com o usuário "root":
iozone -R -b bench_u01_test.xls -r 8k -s 1g -l 2 -u 5
mas a saída do iozone foi:
iozone -R -b bench_u01_test.xls -r 8k -s 1g -l 2 -u 5 Iozone:
Performance Test of File I/O
Version $Revision: 3.397 $ Compiled for 64 bit mode. Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Ben England.
Run began: Sun Aug 31 08:26:29 2014
Excel chart generation enabled
Record Size 8 KB File size set to 1048576 KB
Command line used: iozone -R -b bench_u01_test.xls -r 8k -s 1g -l 2 -u 5
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Min process = 2 Max process = 5
Throughput test with 2 processes
Each process writes a 1048576 Kbyte file in 8 Kbyte records
Error writing block 48922, fd= 3 write: No space left on device
Error writing block 94869, fd= 3 write: No space left on device
Children see throughput for 2 initial writers = 0.00 KB/sec
Parent sees throughput for 2 initial writers = 0.00 KB/sec
Min throughput per process = 0.00 KB/sec
Max throughput
per process = 0.00 KB/sec
Avg throughput per process = 0.00 KB/sec
Min xfer = 0.00 KB
Child 0 iozone.DUMMY.0: No such file or directory
Child 1 iozone.DUMMY.1: No such file or directory
. . .
Alguém por favor pode fornecer alguns conselhos sobre o que estou fazendo errado?